58640740 has 12 divisors (see below), whose sum is σ = 123145596. Its totient is φ = 23456288.

The previous prime is 58640693. The next prime is 58640759. The reversal of 58640740 is 4704685.

It can be written as a sum of positive squares in 2 ways, for example, as 36869184 + 21771556 = 6072^2 + 4666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 58640696 and 58640705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465999 + ... + 1466038.

It is an arithmetic number, because the mean of its divisors is an integer number (10262133).

Almost surely, 2^58640740 is an apocalyptic number.

It is an amenable number.

58640740 is an abundant number, since it is smaller than the sum of its proper divisors (64504856).

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

58640740 is a wasteful number, since it uses less digits than its factorization.

58640740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932046 (or 2932044 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 58640740 is about 7657.7242050103. The cubic root of 58640740 is about 388.5078640205.

The spelling of 58640740 in words is "fifty-eight million, six hundred forty thousand, seven hundred forty".