70138236 has 48 divisors (see below), whose sum is σ = 192098816. Its totient is φ = 19497024.

The previous prime is 70138223. The next prime is 70138267. The reversal of 70138236 is 63283107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8176 + ... + 14391.

Almost surely, 2^70138236 is an apocalyptic number.

It is an amenable number.

70138236 is an abundant number, since it is smaller than the sum of its proper divisors (121960580).

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

70138236 is a wasteful number, since it uses less digits than its factorization.

70138236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618 (or 22616 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70138236 is about 8374.8573719198. The cubic root of 70138236 is about 412.3996420687.

The spelling of 70138236 in words is "seventy million, one hundred thirty-eight thousand, two hundred thirty-six".