73502897 has 12 divisors (see below), whose sum is σ = 80331804. Its totient is φ = 66856320.

The previous prime is 73502893. The next prime is 73502927. The reversal of 73502897 is 79820537.

It can be written as a sum of positive squares in 6 ways, for example, as 160801 + 73342096 = 401^2 + 8564^2 .

It is not a de Polignac number, because 73502897 - 2² = 73502893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73502893) 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, 68747 + ... + 69807.

It is an arithmetic number, because the mean of its divisors is an integer number (6694317).

Almost surely, 2^73502897 is an apocalyptic number.

It is an amenable number.

73502897 is a deficient number, since it is larger than the sum of its proper divisors (6828907).

73502897 is a wasteful number, since it uses less digits than its factorization.

73502897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 73502897 is about 8573.3830545474. The cubic root of 73502897 is about 418.8914397980.

It can be divided in two parts, 73 and 502897, that multiplied together give a square (36711481 = 6059²).

The spelling of 73502897 in words is "seventy-three million, five hundred two thousand, eight hundred ninety-seven".