61415642 has 8 divisors (see below), whose sum is σ = 92156736. Its totient is φ = 30696732.

The previous prime is 61415603. The next prime is 61415677. The reversal of 61415642 is 24651416.

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

It is a nialpdrome in base 13.

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, 7823 + ... + 13565.

It is an arithmetic number, because the mean of its divisors is an integer number (11519592).

Almost surely, 2^61415642 is an apocalyptic number.

61415642 is a deficient number, since it is larger than the sum of its proper divisors (30741094).

61415642 is a wasteful number, since it uses less digits than its factorization.

61415642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092.

The product of its digits is 5760, while the sum is 29.

The square root of 61415642 is about 7836.8132553992. The cubic root of 61415642 is about 394.5417791724.

The spelling of 61415642 in words is "sixty-one million, four hundred fifteen thousand, six hundred forty-two".