72743514506274 has 64 divisors (see below), whose sum is σ = 157306744627200. Its totient is φ = 22347445917888.

The previous prime is 72743514506251. The next prime is 72743514506297. The reversal of 72743514506274 is 47260541534727.

It is an interprime number because it is at equal distance from previous prime (72743514506251) and next prime (72743514506297).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27057369 + ... + 29624115.

It is an arithmetic number, because the mean of its divisors is an integer number (2457917884800).

Almost surely, 2^{72743514506274} is an apocalyptic number.

72743514506274 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72743514506274 is an abundant number, since it is smaller than the sum of its proper divisors (84563230120926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72743514506274 is a wasteful number, since it uses less digits than its factorization.

72743514506274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573527.

The product of its (nonzero) digits is 39513600, while the sum is 57.

The spelling of 72743514506274 in words is "seventy-two trillion, seven hundred forty-three billion, five hundred fourteen million, five hundred six thousand, two hundred seventy-four".