70137666 has 48 divisors (see below), whose sum is σ = 155769120. Its totient is φ = 22800960.

The previous prime is 70137659. The next prime is 70137671. The reversal of 70137666 is 66673107.

It is a self number, because there is not a number n which added to its sum of digits gives 70137666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223926 + ... + 224238.

It is an arithmetic number, because the mean of its divisors is an integer number (3245190).

Almost surely, 2^70137666 is an apocalyptic number.

70137666 is an abundant number, since it is smaller than the sum of its proper divisors (85631454).

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

70137666 is a wasteful number, since it uses less digits than its factorization.

70137666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70137666 is about 8374.8233414204. The cubic root of 70137666 is about 412.3985249014.

The spelling of 70137666 in words is "seventy million, one hundred thirty-seven thousand, six hundred sixty-six".