730154880 has 576 divisors, whose sum is σ = 3174444000. Its totient is φ = 153280512.

The previous prime is 730154863. The next prime is 730154881. The reversal of 730154880 is 88451037.

730154880 is a `hidden beast` number, since 7 + 30 + 1 + 548 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×730154880² = 1066252297575628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730154881) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3669021 + ... + 3669219.

Almost surely, 2^730154880 is an apocalyptic number.

730154880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730154880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587222000).

730154880 is an abundant number, since it is smaller than the sum of its proper divisors (2444289120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730154880 is a wasteful number, since it uses less digits than its factorization.

730154880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 730154880 is about 27021.3782031931. The cubic root of 730154880 is about 900.4750085117.

The spelling of 730154880 in words is "seven hundred thirty million, one hundred fifty-four thousand, eight hundred eighty".