73152157426 has 4 divisors (see below), whose sum is σ = 109728236142. Its totient is φ = 36576078712.

The previous prime is 73152157399. The next prime is 73152157427. The reversal of 73152157426 is 62475125137.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49107003201 + 24045154225 = 221601^2 + 155065^2 .

It is not an unprimeable number, because it can be changed into a prime (73152157427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18288039355 + ... + 18288039358.

Almost surely, 2^73152157426 is an apocalyptic number.

73152157426 is a deficient number, since it is larger than the sum of its proper divisors (36576078716).

73152157426 is a wasteful number, since it uses less digits than its factorization.

73152157426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36576078715.

The product of its digits is 352800, while the sum is 43.

The spelling of 73152157426 in words is "seventy-three billion, one hundred fifty-two million, one hundred fifty-seven thousand, four hundred twenty-six".