74847901 has 2 divisors, whose sum is σ = 74847902. Its totient is φ = 74847900.

The previous prime is 74847887. The next prime is 74847953. The reversal of 74847901 is 10974847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74839801 + 8100 = 8651^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 74847901 - 2⁹ = 74847389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74847961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37423950 + 37423951.

It is an arithmetic number, because the mean of its divisors is an integer number (37423951).

Almost surely, 2^74847901 is an apocalyptic number.

It is an amenable number.

74847901 is a deficient number, since it is larger than the sum of its proper divisors (1).

74847901 is an equidigital number, since it uses as much as digits as its factorization.

74847901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74847901 is about 8651.4681413041. The cubic root of 74847901 is about 421.4310613552.

The spelling of 74847901 in words is "seventy-four million, eight hundred forty-seven thousand, nine hundred one".