61877542 has 8 divisors (see below), whose sum is σ = 95324976. Its totient is φ = 30102552.

The previous prime is 61877531. The next prime is 61877573. The reversal of 61877542 is 24577816.

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

It is a junction number, because it is equal to n+sod(n) for n = 61877495 and 61877504.

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, 418018 + ... + 418165.

It is an arithmetic number, because the mean of its divisors is an integer number (11915622).

Almost surely, 2^61877542 is an apocalyptic number.

61877542 is a deficient number, since it is larger than the sum of its proper divisors (33447434).

61877542 is a wasteful number, since it uses less digits than its factorization.

61877542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836222.

The product of its digits is 94080, while the sum is 40.

The square root of 61877542 is about 7866.2279397434. The cubic root of 61877542 is about 395.5284110002.

The spelling of 61877542 in words is "sixty-one million, eight hundred seventy-seven thousand, five hundred forty-two".