70389332 has 12 divisors (see below), whose sum is σ = 132656916. Its totient is φ = 32487360.

The previous prime is 70389307. The next prime is 70389337. The reversal of 70389332 is 23398307.

It can be written as a sum of positive squares in 2 ways, for example, as 25847056 + 44542276 = 5084^2 + 6674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70389292 and 70389301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70389337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676769 + ... + 676872.

It is an arithmetic number, because the mean of its divisors is an integer number (11054743).

Almost surely, 2^70389332 is an apocalyptic number.

It is an amenable number.

70389332 is a deficient number, since it is larger than the sum of its proper divisors (62267584).

70389332 is a wasteful number, since it uses less digits than its factorization.

70389332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353658 (or 1353656 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 70389332 is about 8389.8350400947. The cubic root of 70389332 is about 412.8911883784.

Subtracting from 70389332 its reverse (23398307), we obtain a square (46991025 = 6855²).

The spelling of 70389332 in words is "seventy million, three hundred eighty-nine thousand, three hundred thirty-two".