61874844272 has 20 divisors (see below), whose sum is σ = 119886779880. Its totient is φ = 30936320448.

The previous prime is 61874844221. The next prime is 61874844323. The reversal of 61874844272 is 27244847816.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61874844221) and next prime (61874844323).

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, 579479 + ... + 677897.

It is an arithmetic number, because the mean of its divisors is an integer number (5994338994).

Almost surely, 2^61874844272 is an apocalyptic number.

It is an amenable number.

61874844272 is a deficient number, since it is larger than the sum of its proper divisors (58011935608).

61874844272 is a wasteful number, since it uses less digits than its factorization.

61874844272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137720 (or 137714 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 53.

The spelling of 61874844272 in words is "sixty-one billion, eight hundred seventy-four million, eight hundred forty-four thousand, two hundred seventy-two".