70561934 has 16 divisors (see below), whose sum is σ = 117968400. Its totient is φ = 31457664.

The previous prime is 70561927. The next prime is 70561957. The reversal of 70561934 is 43916507.

70561934 = 297² + 298² + ... + 619².

It is a junction number, because it is equal to n+sod(n) for n = 70561894 and 70561903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53969 + ... + 55260.

It is an arithmetic number, because the mean of its divisors is an integer number (7373025).

Almost surely, 2^70561934 is an apocalyptic number.

70561934 is a deficient number, since it is larger than the sum of its proper divisors (47406466).

70561934 is a wasteful number, since it uses less digits than its factorization.

70561934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109267.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70561934 is about 8400.1151182588. The cubic root of 70561934 is about 413.2283970229.

The spelling of 70561934 in words is "seventy million, five hundred sixty-one thousand, nine hundred thirty-four".