74612801 has 2 divisors, whose sum is σ = 74612802. Its totient is φ = 74612800.

The previous prime is 74612777. The next prime is 74612807. The reversal of 74612801 is 10821647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40972801 + 33640000 = 6401^2 + 5800^2 .

It is an emirp because it is prime and its reverse (10821647) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74612801 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74612807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37306400 + 37306401.

It is an arithmetic number, because the mean of its divisors is an integer number (37306401).

Almost surely, 2^74612801 is an apocalyptic number.

It is an amenable number.

74612801 is a deficient number, since it is larger than the sum of its proper divisors (1).

74612801 is an equidigital number, since it uses as much as digits as its factorization.

74612801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 74612801 is about 8637.8701657295. The cubic root of 74612801 is about 420.9893550907.

The spelling of 74612801 in words is "seventy-four million, six hundred twelve thousand, eight hundred one".