61630774 has 8 divisors (see below), whose sum is σ = 92963160. Its totient is φ = 30643056.

The previous prime is 61630741. The next prime is 61630781. The reversal of 61630774 is 47703616.

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

It is a congruent 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, 85719 + ... + 86434.

It is an arithmetic number, because the mean of its divisors is an integer number (11620395).

Almost surely, 2^61630774 is an apocalyptic number.

61630774 is a deficient number, since it is larger than the sum of its proper divisors (31332386).

61630774 is a wasteful number, since it uses less digits than its factorization.

61630774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172334.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 61630774 is about 7850.5269886804. The cubic root of 61630774 is about 395.0019206230.

The spelling of 61630774 in words is "sixty-one million, six hundred thirty thousand, seven hundred seventy-four".