74767451425 has 12 divisors (see below), whose sum is σ = 94231504636. Its totient is φ = 58833403200.

The previous prime is 74767451419. The next prime is 74767451431. The reversal of 74767451425 is 52415476747.

It is an interprime number because it is at equal distance from previous prime (74767451419) and next prime (74767451431).

It can be written as a sum of positive squares in 6 ways, for example, as 1729145889 + 73038305536 = 41583^2 + 270256^2 .

It is not a de Polignac number, because 74767451425 - 2¹¹ = 74767449377 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 24512394 + ... + 24515443.

Almost surely, 2^74767451425 is an apocalyptic number.

It is an amenable number.

74767451425 is a deficient number, since it is larger than the sum of its proper divisors (19464053211).

74767451425 is a wasteful number, since it uses less digits than its factorization.

74767451425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49027908 (or 49027903 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 52.

The spelling of 74767451425 in words is "seventy-four billion, seven hundred sixty-seven million, four hundred fifty-one thousand, four hundred twenty-five".