73506744 has 64 divisors (see below), whose sum is σ = 214944000. Its totient is φ = 23211360.

The previous prime is 73506739. The next prime is 73506749. The reversal of 73506744 is 44760537.

It is an interprime number because it is at equal distance from previous prime (73506739) and next prime (73506749).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 73506699 and 73506708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73506749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4852 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (3358500).

Almost surely, 2^73506744 is an apocalyptic number.

It is an amenable number.

73506744 is an abundant number, since it is smaller than the sum of its proper divisors (141437256).

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

73506744 is a wasteful number, since it uses less digits than its factorization.

73506744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17945 (or 17935 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 73506744 is about 8573.6074087866. The cubic root of 73506744 is about 418.8987476608.

The spelling of 73506744 in words is "seventy-three million, five hundred six thousand, seven hundred forty-four".