70072761394 has 16 divisors (see below), whose sum is σ = 106209279288. Its totient is φ = 34669780992.

The previous prime is 70072761389. The next prime is 70072761401. The reversal of 70072761394 is 49316727007.

It can be written as a sum of positive squares in 4 ways, for example, as 66454137369 + 3618624025 = 257787^2 + 60155^2 .

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, 1409814 + ... + 1458670.

Almost surely, 2^70072761394 is an apocalyptic number.

70072761394 is a deficient number, since it is larger than the sum of its proper divisors (36136517894).

70072761394 is a wasteful number, since it uses less digits than its factorization.

70072761394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56349.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 70072761394 in words is "seventy billion, seventy-two million, seven hundred sixty-one thousand, three hundred ninety-four".