72154609014 has 16 divisors (see below), whose sum is σ = 149285398320. Its totient is φ = 23222172960.

The previous prime is 72154609003. The next prime is 72154609027. The reversal of 72154609014 is 41090645127.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207340657 + ... + 207341004.

It is an arithmetic number, because the mean of its divisors is an integer number (9330337395).

Almost surely, 2^72154609014 is an apocalyptic number.

72154609014 is an abundant number, since it is smaller than the sum of its proper divisors (77130789306).

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

72154609014 is a wasteful number, since it uses less digits than its factorization.

72154609014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414681695.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 72154609014 in words is "seventy-two billion, one hundred fifty-four million, six hundred nine thousand, fourteen".