61734074254 has 16 divisors (see below), whose sum is σ = 93360600000. Its totient is φ = 30614487904.

The previous prime is 61734074251. The next prime is 61734074267. The reversal of 61734074254 is 45247043716.

It is a super-2 number, since 2×61734074254² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61734074254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61734074251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48747 + ... + 354745.

It is an arithmetic number, because the mean of its divisors is an integer number (5835037500).

Almost surely, 2^61734074254 is an apocalyptic number.

61734074254 is a deficient number, since it is larger than the sum of its proper divisors (31626525746).

61734074254 is a wasteful number, since it uses less digits than its factorization.

61734074254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306827.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 61734074254 in words is "sixty-one billion, seven hundred thirty-four million, seventy-four thousand, two hundred fifty-four".