73015146 has 24 divisors (see below), whose sum is σ = 158358564. Its totient is φ = 24313920.

The previous prime is 73015139. The next prime is 73015211. The reversal of 73015146 is 64151037.

It can be written as a sum of positive squares in 2 ways, for example, as 72846225 + 168921 = 8535^2 + 411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29800 + ... + 32156.

Almost surely, 2^73015146 is an apocalyptic number.

73015146 is an abundant number, since it is smaller than the sum of its proper divisors (85343418).

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

73015146 is a wasteful number, since it uses less digits than its factorization.

73015146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 73015146 is about 8544.8900519550. The cubic root of 73015146 is about 417.9628218729.

It can be divided in two parts, 730 and 15146, that added together give a square (15876 = 126²).

The spelling of 73015146 in words is "seventy-three million, fifteen thousand, one hundred forty-six".