70874138 has 4 divisors (see below), whose sum is σ = 106311210. Its totient is φ = 35437068.

The previous prime is 70874119. The next prime is 70874143. The reversal of 70874138 is 83147807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 19651489 = 7157^2 + 4433^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17718533 + ... + 17718536.

Almost surely, 2^70874138 is an apocalyptic number.

70874138 is a deficient number, since it is larger than the sum of its proper divisors (35437072).

70874138 is a wasteful number, since it uses less digits than its factorization.

70874138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35437071.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 70874138 is about 8418.6779247100. The cubic root of 70874138 is about 413.8369487131.

The spelling of 70874138 in words is "seventy million, eight hundred seventy-four thousand, one hundred thirty-eight".