730498860 has 432 divisors, whose sum is σ = 2907043776. Its totient is φ = 146893824.

The previous prime is 730498819. The next prime is 730498861. The reversal of 730498860 is 68894037.

It is a happy number.

It is a super-2 number, since 2×730498860² = 1067257168922599200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (730498861) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2637042 + ... + 2637318.

It is an arithmetic number, because the mean of its divisors is an integer number (6729268).

Almost surely, 2^730498860 is an apocalyptic number.

730498860 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 730498860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453521888).

730498860 is an abundant number, since it is smaller than the sum of its proper divisors (2176544916).

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

730498860 is a wasteful number, since it uses less digits than its factorization.

730498860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 730498860 is about 27027.7424140456. The cubic root of 730498860 is about 900.6163925631.

The spelling of 730498860 in words is "seven hundred thirty million, four hundred ninety-eight thousand, eight hundred sixty".