70725760 has 64 divisors (see below), whose sum is σ = 193245120. Its totient is φ = 24247296.

The previous prime is 70725757. The next prime is 70725761. The reversal of 70725760 is 6752707.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (70725761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 12373.

It is an arithmetic number, because the mean of its divisors is an integer number (3019455).

Almost surely, 2^70725760 is an apocalyptic number.

70725760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70725760 is an abundant number, since it is smaller than the sum of its proper divisors (122519360).

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

70725760 is a wasteful number, since it uses less digits than its factorization.

70725760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 15801 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 70725760 is about 8409.8608787542. The cubic root of 70725760 is about 413.5479519024.

The spelling of 70725760 in words is "seventy million, seven hundred twenty-five thousand, seven hundred sixty".