70561294 has 16 divisors (see below), whose sum is σ = 108928368. Its totient is φ = 34255872.

The previous prime is 70561279. The next prime is 70561297. The reversal of 70561294 is 49216507.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70561297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60622 + ... + 61774.

It is an arithmetic number, because the mean of its divisors is an integer number (6808023).

Almost surely, 2^70561294 is an apocalyptic number.

70561294 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

70561294 is a deficient number, since it is larger than the sum of its proper divisors (38367074).

70561294 is a wasteful number, since it uses less digits than its factorization.

70561294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70561294 is about 8400.0770234564. The cubic root of 70561294 is about 413.2271476856.

Subtracting from 70561294 its sum of digits (34), we obtain a triangular number (70561260 = T₁₁₈₇₉).

The spelling of 70561294 in words is "seventy million, five hundred sixty-one thousand, two hundred ninety-four".