72348455 has 16 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 54418848.

The previous prime is 72348449. The next prime is 72348461. The reversal of 72348455 is 55484327.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72348449) and next prime (72348461).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72348455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (5758560).

Almost surely, 2^72348455 is an apocalyptic number.

72348455 is a deficient number, since it is larger than the sum of its proper divisors (19788505).

72348455 is a wasteful number, since it uses less digits than its factorization.

72348455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10750.

The product of its digits is 134400, while the sum is 38.

The square root of 72348455 is about 8505.7894989237. The cubic root of 72348455 is about 416.6868104039.

The spelling of 72348455 in words is "seventy-two million, three hundred forty-eight thousand, four hundred fifty-five".