61512474 has 8 divisors (see below), whose sum is σ = 123024960. Its totient is φ = 20504156.

The previous prime is 61512469. The next prime is 61512487. The reversal of 61512474 is 47421516.

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

61512474 is an admirable 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, 5126034 + ... + 5126045.

It is an arithmetic number, because the mean of its divisors is an integer number (15378120).

Almost surely, 2^61512474 is an apocalyptic number.

61512474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61512474 is a wasteful number, since it uses less digits than its factorization.

61512474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252084.

The product of its digits is 6720, while the sum is 30.

The square root of 61512474 is about 7842.9888435468. The cubic root of 61512474 is about 394.7490239253.

The spelling of 61512474 in words is "sixty-one million, five hundred twelve thousand, four hundred seventy-four".