73388297725 has 12 divisors (see below), whose sum is σ = 91018450240. Its totient is φ = 58699695600.

The previous prime is 73388297711. The next prime is 73388297729. The reversal of 73388297725 is 52779288337.

It is not a de Polignac number, because 73388297725 - 2²³ = 73379909117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73388297729) 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, 135381 + ... + 406330.

Almost surely, 2^73388297725 is an apocalyptic number.

It is an amenable number.

73388297725 is a deficient number, since it is larger than the sum of its proper divisors (17630152515).

73388297725 is a wasteful number, since it uses less digits than its factorization.

73388297725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547140 (or 547135 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 61.

The spelling of 73388297725 in words is "seventy-three billion, three hundred eighty-eight million, two hundred ninety-seven thousand, seven hundred twenty-five".