61479974 has 8 divisors (see below), whose sum is σ = 92253288. Its totient is φ = 30728880.

The previous prime is 61479967. The next prime is 61479997. The reversal of 61479974 is 47997416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (11531661).

Almost surely, 2^61479974 is an apocalyptic number.

61479974 is a deficient number, since it is larger than the sum of its proper divisors (30773314).

61479974 is a wasteful number, since it uses less digits than its factorization.

61479974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110.

The product of its digits is 381024, while the sum is 47.

The square root of 61479974 is about 7840.9166555958. The cubic root of 61479974 is about 394.6794900430.

The spelling of 61479974 in words is "sixty-one million, four hundred seventy-nine thousand, nine hundred seventy-four".