70345152 has 56 divisors (see below), whose sum is σ = 206806800. Its totient is φ = 23447808.

The previous prime is 70345147. The next prime is 70345157. The reversal of 70345152 is 25154307.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70345147) and next prime (70345157).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70345157) 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, 18627 + ... + 22082.

Almost surely, 2^70345152 is an apocalyptic number.

70345152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70345152 is an abundant number, since it is smaller than the sum of its proper divisors (136461648).

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

70345152 is a wasteful number, since it uses less digits than its factorization.

70345152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40730 (or 40714 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 70345152 is about 8387.2016787484. The cubic root of 70345152 is about 412.8047863155.

Adding to 70345152 its reverse (25154307), we get a palindrome (95499459).

The spelling of 70345152 in words is "seventy million, three hundred forty-five thousand, one hundred fifty-two".