61216474 has 8 divisors (see below), whose sum is σ = 100172448. Its totient is φ = 27825660.

The previous prime is 61216451. The next prime is 61216481. The reversal of 61216474 is 47461216.

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

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, 1391262 + ... + 1391305.

It is an arithmetic number, because the mean of its divisors is an integer number (12521556).

Almost surely, 2^61216474 is an apocalyptic number.

61216474 is a deficient number, since it is larger than the sum of its proper divisors (38955974).

61216474 is a wasteful number, since it uses less digits than its factorization.

61216474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782580.

The product of its digits is 8064, while the sum is 31.

The square root of 61216474 is about 7824.0957304982. The cubic root of 61216474 is about 394.1148239119.

The spelling of 61216474 in words is "sixty-one million, two hundred sixteen thousand, four hundred seventy-four".