74947901 has 16 divisors (see below), whose sum is σ = 87792000. Its totient is φ = 63955584.

The previous prime is 74947891. The next prime is 74947927. The reversal of 74947901 is 10974947.

It is a happy number.

It is not a de Polignac number, because 74947901 - 2¹⁸ = 74685757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74947601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120770 + ... + 121388.

It is an arithmetic number, because the mean of its divisors is an integer number (5487000).

Almost surely, 2^74947901 is an apocalyptic number.

It is an amenable number.

74947901 is a deficient number, since it is larger than the sum of its proper divisors (12844099).

74947901 is an equidigital number, since it uses as much as digits as its factorization.

74947901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 74947901 is about 8657.2455781270. The cubic root of 74947901 is about 421.6186611460.

The spelling of 74947901 in words is "seventy-four million, nine hundred forty-seven thousand, nine hundred one".