61472415 has 8 divisors (see below), whose sum is σ = 98355888. Its totient is φ = 32785280.

The previous prime is 61472393. The next prime is 61472417. The reversal of 61472415 is 51427416.

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

It is a de Polignac number, because none of the positive numbers 2^k-61472415 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61472417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049066 + ... + 2049095.

It is an arithmetic number, because the mean of its divisors is an integer number (12294486).

Almost surely, 2^61472415 is an apocalyptic number.

61472415 is a deficient number, since it is larger than the sum of its proper divisors (36883473).

61472415 is a wasteful number, since it uses less digits than its factorization.

61472415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098169.

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

The square root of 61472415 is about 7840.4346180553. The cubic root of 61472415 is about 394.6633140193.

The spelling of 61472415 in words is "sixty-one million, four hundred seventy-two thousand, four hundred fifteen".