70073278 has 12 divisors (see below), whose sum is σ = 115534440. Its totient is φ = 31851380.

The previous prime is 70073257. The next prime is 70073281. The reversal of 70073278 is 87237007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144538 + ... + 145021.

It is an arithmetic number, because the mean of its divisors is an integer number (9627870).

Almost surely, 2^70073278 is an apocalyptic number.

70073278 is a deficient number, since it is larger than the sum of its proper divisors (45461162).

70073278 is a wasteful number, since it uses less digits than its factorization.

70073278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289583 (or 289572 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 70073278 is about 8370.9783179745. The cubic root of 70073278 is about 412.2722891356.

The spelling of 70073278 in words is "seventy million, seventy-three thousand, two hundred seventy-eight".