73045152 has 60 divisors (see below), whose sum is σ = 214831386. Its totient is φ = 24347520.

The previous prime is 73045103. The next prime is 73045153. The reversal of 73045152 is 25154037.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 25765776 = 6876^2 + 5076^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (73045153) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11499 + ... + 16682.

Almost surely, 2^73045152 is an apocalyptic number.

73045152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73045152 is an abundant number, since it is smaller than the sum of its proper divisors (141786234).

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

73045152 is a wasteful number, since it uses less digits than its factorization.

73045152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28203 (or 28186 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 73045152 is about 8546.6456578005. The cubic root of 73045152 is about 418.0200687846.

Adding to 73045152 its reverse (25154037), we get a palindrome (98199189).

The spelling of 73045152 in words is "seventy-three million, forty-five thousand, one hundred fifty-two".