72403334 has 8 divisors (see below), whose sum is σ = 108773280. Its totient is φ = 36145576.

The previous prime is 72403301. The next prime is 72403337. The reversal of 72403334 is 43330427.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72403337) 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, 26414 + ... + 29025.

It is an arithmetic number, because the mean of its divisors is an integer number (13596660).

Almost surely, 2^72403334 is an apocalyptic number.

72403334 is a deficient number, since it is larger than the sum of its proper divisors (36369946).

72403334 is a wasteful number, since it uses less digits than its factorization.

72403334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56094.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 72403334 is about 8509.0148665988. The cubic root of 72403334 is about 416.7921412687.

The spelling of 72403334 in words is "seventy-two million, four hundred three thousand, three hundred thirty-four".