746081280 has 440 divisors, whose sum is σ = 3067355808. Its totient is φ = 169869312.

The previous prime is 746081279. The next prime is 746081317. The reversal of 746081280 is 82180647.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2902912 + ... + 2903168.

Almost surely, 2^746081280 is an apocalyptic number.

746081280 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 746081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533677904).

746081280 is an abundant number, since it is smaller than the sum of its proper divisors (2321274528).

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

746081280 is a wasteful number, since it uses less digits than its factorization.

746081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 746081280 is about 27314.4884630849. The cubic root of 746081280 is about 906.9751353322.

The spelling of 746081280 in words is "seven hundred forty-six million, eighty-one thousand, two hundred eighty".