72502356512045 has 32 divisors (see below), whose sum is σ = 88904218660992. Its totient is φ = 56748198316032.

The previous prime is 72502356511979. The next prime is 72502356512119. The reversal of 72502356512045 is 54021565320527.

It is a cyclic number.

It is not a de Polignac number, because 72502356512045 - 2⁸ = 72502356511789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130851509 + ... + 131404421.

It is an arithmetic number, because the mean of its divisors is an integer number (2778256833156).

Almost surely, 2^{72502356512045} is an apocalyptic number.

It is an amenable number.

72502356512045 is a deficient number, since it is larger than the sum of its proper divisors (16401862148947).

72502356512045 is a wasteful number, since it uses less digits than its factorization.

72502356512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556061.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 72502356512045 in words is "seventy-two trillion, five hundred two billion, three hundred fifty-six million, five hundred twelve thousand, forty-five".