70274438 has 16 divisors (see below), whose sum is σ = 113685936. Its totient is φ = 32387040.

The previous prime is 70274411. The next prime is 70274441. The reversal of 70274438 is 83447207.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 70274398 and 70274407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21428 + ... + 24488.

It is an arithmetic number, because the mean of its divisors is an integer number (7105371).

Almost surely, 2^70274438 is an apocalyptic number.

70274438 is a deficient number, since it is larger than the sum of its proper divisors (43411498).

70274438 is a wasteful number, since it uses less digits than its factorization.

70274438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 70274438 is about 8382.9850292124. The cubic root of 70274438 is about 412.6664168441. Note that the first 3 decimals are identical.

The spelling of 70274438 in words is "seventy million, two hundred seventy-four thousand, four hundred thirty-eight".