152740072 has 16 divisors (see below), whose sum is σ = 287129700. Its totient is φ = 76172160.

The previous prime is 152740057. The next prime is 152740097. The reversal of 152740072 is 270047251.

It can be written as a sum of positive squares in 2 ways, for example, as 149964516 + 2775556 = 12246^2 + 1666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152740072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21429 + ... + 27652.

Almost surely, 2^152740072 is an apocalyptic number.

It is an amenable number.

152740072 is a deficient number, since it is larger than the sum of its proper divisors (134389628).

152740072 is a wasteful number, since it uses less digits than its factorization.

152740072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49476 (or 49472 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 152740072 is about 12358.8054438930. The cubic root of 152740072 is about 534.5450722620.

The spelling of 152740072 in words is "one hundred fifty-two million, seven hundred forty thousand, seventy-two".