70670534 has 12 divisors (see below), whose sum is σ = 116519172. Its totient is φ = 32122860.

The previous prime is 70670533. The next prime is 70670591. The reversal of 70670534 is 43507607.

It is a self number, because there is not a number n which added to its sum of digits gives 70670534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145772 + ... + 146255.

It is an arithmetic number, because the mean of its divisors is an integer number (9709931).

Almost surely, 2^70670534 is an apocalyptic number.

70670534 is a deficient number, since it is larger than the sum of its proper divisors (45848638).

70670534 is a wasteful number, since it uses less digits than its factorization.

70670534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292051 (or 292040 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 70670534 is about 8406.5768300777. The cubic root of 70670534 is about 413.4402846430.

The spelling of 70670534 in words is "seventy million, six hundred seventy thousand, five hundred thirty-four".