70707672 has 96 divisors (see below), whose sum is σ = 220147200. Its totient is φ = 20083392.

The previous prime is 70707667. The next prime is 70707697. The reversal of 70707672 is 27670707.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120163 + ... + 120749.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^70707672 is an apocalyptic number.

70707672 is a gapful number since it is divisible by the number (72) 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 70707672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110073600).

70707672 is an abundant number, since it is smaller than the sum of its proper divisors (149439528).

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

70707672 is a wasteful number, since it uses less digits than its factorization.

70707672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 70707672 is about 8408.7854057527. The cubic root of 70707672 is about 413.5126941541.

The spelling of 70707672 in words is "seventy million, seven hundred seven thousand, six hundred seventy-two".