7372145554 has 8 divisors (see below), whose sum is σ = 11058583680. Its totient is φ = 3685950996.

The previous prime is 7372145551. The next prime is 7372145629. The reversal of 7372145554 is 4555412737.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7372145554.

It is not an unprimeable number, because it can be changed into a prime (7372145551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79707 + ... + 145249.

It is an arithmetic number, because the mean of its divisors is an integer number (1382322960).

Almost surely, 2^7372145554 is an apocalyptic number.

7372145554 is a deficient number, since it is larger than the sum of its proper divisors (3686438126).

7372145554 is a wasteful number, since it uses less digits than its factorization.

7372145554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121784.

The product of its digits is 588000, while the sum is 43.

The square root of 7372145554 is about 85861.1993510456. The cubic root of 7372145554 is about 1946.2470490212.

The spelling of 7372145554 in words is "seven billion, three hundred seventy-two million, one hundred forty-five thousand, five hundred fifty-four".