61372858 has 8 divisors (see below), whose sum is σ = 92202228. Its totient is φ = 30638784.

The previous prime is 61372847. The next prime is 61372867. The reversal of 61372858 is 85827316.

It can be written as a sum of positive squares in 2 ways, for example, as 50594769 + 10778089 = 7113^2 + 3283^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 61372858.

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, 22191 + ... + 24802.

Almost surely, 2^61372858 is an apocalyptic number.

61372858 is a deficient number, since it is larger than the sum of its proper divisors (30829370).

61372858 is a wasteful number, since it uses less digits than its factorization.

61372858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47648.

The product of its digits is 80640, while the sum is 40.

The square root of 61372858 is about 7834.0830988700. The cubic root of 61372858 is about 394.4501412977.

The spelling of 61372858 in words is "sixty-one million, three hundred seventy-two thousand, eight hundred fifty-eight".