70390332 has 18 divisors (see below), whose sum is σ = 177931208. Its totient is φ = 23463432.

The previous prime is 70390301. The next prime is 70390379. The reversal of 70390332 is 23309307.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 70390296 and 70390305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 977608 + ... + 977679.

Almost surely, 2^70390332 is an apocalyptic number.

It is an amenable number.

70390332 is an abundant number, since it is smaller than the sum of its proper divisors (107540876).

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

70390332 is a wasteful number, since it uses less digits than its factorization.

70390332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955297 (or 1955292 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 70390332 is about 8389.8946358104. The cubic root of 70390332 is about 412.8931436427.

Adding to 70390332 its reverse (23309307), we get a palindrome (93699639).

The spelling of 70390332 in words is "seventy million, three hundred ninety thousand, three hundred thirty-two".