72154400033 has 8 divisors (see below), whose sum is σ = 72477007680. Its totient is φ = 71832361680.

The previous prime is 72154400027. The next prime is 72154400099. The reversal of 72154400033 is 33000445127.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72154400033 - 2¹⁸ = 72154137889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72154399969 and 72154400005.

It is not an unprimeable number, because it can be changed into a prime (72154400023) 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, 112748 + ... + 396258.

It is an arithmetic number, because the mean of its divisors is an integer number (9059625960).

Almost surely, 2^72154400033 is an apocalyptic number.

It is an amenable number.

72154400033 is a deficient number, since it is larger than the sum of its proper divisors (322607647).

72154400033 is a wasteful number, since it uses less digits than its factorization.

72154400033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284647.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 72154400033 in words is "seventy-two billion, one hundred fifty-four million, four hundred thousand, thirty-three".