70263328 has 12 divisors (see below), whose sum is σ = 138330990. Its totient is φ = 35131648.

The previous prime is 70263307. The next prime is 70263331. The reversal of 70263328 is 82336207.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 31674384 = 6212^2 + 5628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70263328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097833 + ... + 1097896.

Almost surely, 2^70263328 is an apocalyptic number.

It is an amenable number.

70263328 is a deficient number, since it is larger than the sum of its proper divisors (68067662).

70263328 is a wasteful number, since it uses less digits than its factorization.

70263328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195739 (or 2195731 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70263328 is about 8382.3223512342. The cubic root of 70263328 is about 412.6446689385.

The spelling of 70263328 in words is "seventy million, two hundred sixty-three thousand, three hundred twenty-eight".