72955454 has 32 divisors (see below), whose sum is σ = 131017824. Its totient is φ = 30026880.

The previous prime is 72955427. The next prime is 72955457. The reversal of 72955454 is 45455927.

It is a super-2 number, since 2×72955454² = 10644996536692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72955457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12752 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (4094307).

Almost surely, 2^72955454 is an apocalyptic number.

72955454 is a deficient number, since it is larger than the sum of its proper divisors (58062370).

72955454 is a wasteful number, since it uses less digits than its factorization.

72955454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its digits is 252000, while the sum is 41.

The square root of 72955454 is about 8541.3964900360. The cubic root of 72955454 is about 417.8488919096.

The spelling of 72955454 in words is "seventy-two million, nine hundred fifty-five thousand, four hundred fifty-four".