67561696 has 12 divisors (see below), whose sum is σ = 133012152. Its totient is φ = 33780832.

The previous prime is 67561657. The next prime is 67561721. The reversal of 67561696 is 69616576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055620 + ... + 1055683.

It is an arithmetic number, because the mean of its divisors is an integer number (11084346).

Almost surely, 2^67561696 is an apocalyptic number.

It is an amenable number.

67561696 is a deficient number, since it is larger than the sum of its proper divisors (65450456).

67561696 is a wasteful number, since it uses less digits than its factorization.

67561696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111313 (or 2111305 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 67561696 is about 8219.5922039965. The cubic root of 67561696 is about 407.2866556094.

The spelling of 67561696 in words is "sixty-seven million, five hundred sixty-one thousand, six hundred ninety-six".