73458723 has 12 divisors (see below), whose sum is σ = 106059480. Its totient is φ = 45205056.

The previous prime is 73458719. The next prime is 73458743. The reversal of 73458723 is 32785437.

It is not a de Polignac number, because 73458723 - 2² = 73458719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73458743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71938 + ... + 72951.

It is an arithmetic number, because the mean of its divisors is an integer number (8838290).

Almost surely, 2^73458723 is an apocalyptic number.

73458723 is a deficient number, since it is larger than the sum of its proper divisors (32600757).

73458723 is a wasteful number, since it uses less digits than its factorization.

73458723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144918 (or 144905 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 73458723 is about 8570.8064381364. The cubic root of 73458723 is about 418.8075074210.

The spelling of 73458723 in words is "seventy-three million, four hundred fifty-eight thousand, seven hundred twenty-three".