61246478 has 16 divisors (see below), whose sum is σ = 98223840. Its totient is φ = 28540416.

The previous prime is 61246459. The next prime is 61246511. The reversal of 61246478 is 87464216.

It is a super-2 number, since 2×61246478² = 7502262134808968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5243 + ... + 12246.

It is an arithmetic number, because the mean of its divisors is an integer number (6138990).

Almost surely, 2^61246478 is an apocalyptic number.

61246478 is a deficient number, since it is larger than the sum of its proper divisors (36977362).

61246478 is a wasteful number, since it uses less digits than its factorization.

61246478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17611.

The product of its digits is 64512, while the sum is 38.

The square root of 61246478 is about 7826.0129056883. The cubic root of 61246478 is about 394.1792024961.

The spelling of 61246478 in words is "sixty-one million, two hundred forty-six thousand, four hundred seventy-eight".