73458740 has 24 divisors (see below), whose sum is σ = 159584040. Its totient is φ = 28370048.

The previous prime is 73458719. The next prime is 73458743. The reversal of 73458740 is 4785437.

It can be written as a sum of positive squares in 4 ways, for example, as 1106704 + 72352036 = 1052^2 + 8506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73458694 and 73458703.

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 7 ways as a sum of consecutive naturals, for example, 62747 + ... + 63906.

It is an arithmetic number, because the mean of its divisors is an integer number (6649335).

Almost surely, 2^73458740 is an apocalyptic number.

It is an amenable number.

73458740 is an abundant number, since it is smaller than the sum of its proper divisors (86125300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73458740 is a wasteful number, since it uses less digits than its factorization.

73458740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126691 (or 126689 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 73458740 is about 8570.8074298750. The cubic root of 73458740 is about 418.8075397282.

The spelling of 73458740 in words is "seventy-three million, four hundred fifty-eight thousand, seven hundred forty".