70138262632 has 8 divisors (see below), whose sum is σ = 131509242450. Its totient is φ = 35069131312.

The previous prime is 70138262627. The next prime is 70138262639. The reversal of 70138262632 is 23626283107.

It can be written as a sum of positive squares in only one way, i.e., 64946483716 + 5191778916 = 254846^2 + 72054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (70138262639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383641407 + ... + 4383641422.

Almost surely, 2^70138262632 is an apocalyptic number.

It is an amenable number.

70138262632 is a deficient number, since it is larger than the sum of its proper divisors (61370979818).

70138262632 is a wasteful number, since it uses less digits than its factorization.

70138262632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767282835 (or 8767282831 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 70138262632 in words is "seventy billion, one hundred thirty-eight million, two hundred sixty-two thousand, six hundred thirty-two".