70606638 has 24 divisors (see below), whose sum is σ = 153586368. Its totient is φ = 23442432.

The previous prime is 70606631. The next prime is 70606639. The reversal of 70606638 is 83660607.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70606631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3006 + ... + 12257.

It is an arithmetic number, because the mean of its divisors is an integer number (6399432).

Almost surely, 2^70606638 is an apocalyptic number.

70606638 is an abundant number, since it is smaller than the sum of its proper divisors (82979730).

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

70606638 is a wasteful number, since it uses less digits than its factorization.

70606638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528 (or 15525 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 70606638 is about 8402.7756128556. The cubic root of 70606638 is about 413.3156445488.

The spelling of 70606638 in words is "seventy million, six hundred six thousand, six hundred thirty-eight".