61213476 has 24 divisors (see below), whose sum is σ = 143625664. Its totient is φ = 20291040.

The previous prime is 61213457. The next prime is 61213483. The reversal of 61213476 is 67431216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11920 + ... + 16263.

Almost surely, 2^61213476 is an apocalyptic number.

It is an amenable number.

61213476 is an abundant number, since it is smaller than the sum of its proper divisors (82412188).

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

61213476 is a wasteful number, since it uses less digits than its factorization.

61213476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28371 (or 28369 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 61213476 is about 7823.9041405171. The cubic root of 61213476 is about 394.1083900472.

The spelling of 61213476 in words is "sixty-one million, two hundred thirteen thousand, four hundred seventy-six".