68479045 has 16 divisors (see below), whose sum is σ = 85034880. Its totient is φ = 52899264.

The previous prime is 68479013. The next prime is 68479049. The reversal of 68479045 is 54097486.

It is a cyclic number.

It is not a de Polignac number, because 68479045 - 2⁵ = 68479013 is a prime.

It is a super-2 number, since 2×68479045² = 9378759208224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68478992 and 68479010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68479049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24384 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (5314680).

Almost surely, 2^68479045 is an apocalyptic number.

It is an amenable number.

68479045 is a deficient number, since it is larger than the sum of its proper divisors (16555835).

68479045 is a wasteful number, since it uses less digits than its factorization.

68479045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 68479045 is about 8275.2066439455. The cubic root of 68479045 is about 409.1217468635.

The spelling of 68479045 in words is "sixty-eight million, four hundred seventy-nine thousand, forty-five".