70720152 has 32 divisors (see below), whose sum is σ = 178459200. Its totient is φ = 23352224.

The previous prime is 70720141. The next prime is 70720157. The reversal of 70720152 is 25102707.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70720157) 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, 11202 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (5576850).

Almost surely, 2^70720152 is an apocalyptic number.

It is an amenable number.

70720152 is an abundant number, since it is smaller than the sum of its proper divisors (107739048).

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

70720152 is a wasteful number, since it uses less digits than its factorization.

70720152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655 (or 27651 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70720152 is about 8409.5274540250. The cubic root of 70720152 is about 413.5370212400.

Adding to 70720152 its reverse (25102707), we get a palindrome (95822859).

The spelling of 70720152 in words is "seventy million, seven hundred twenty thousand, one hundred fifty-two".