70745152 has 56 divisors (see below), whose sum is σ = 148498560. Its totient is φ = 33384960.

The previous prime is 70745149. The next prime is 70745153. The reversal of 70745152 is 25154707.

It is not an unprimeable number, because it can be changed into a prime (70745153) 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, 86827 + ... + 87637.

It is an arithmetic number, because the mean of its divisors is an integer number (2651760).

Almost surely, 2^70745152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70745152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74249280).

70745152 is an abundant number, since it is smaller than the sum of its proper divisors (77753408).

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

70745152 is a wasteful number, since it uses less digits than its factorization.

70745152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 70745152 is about 8411.0137320064. The cubic root of 70745152 is about 413.5857447757.

Adding to 70745152 its reverse (25154707), we get a palindrome (95899859).

The spelling of 70745152 in words is "seventy million, seven hundred forty-five thousand, one hundred fifty-two".