74490763 has 8 divisors (see below), whose sum is σ = 77173200. Its totient is φ = 71815968.

The previous prime is 74490751. The next prime is 74490769. The reversal of 74490763 is 36709447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74490763 - 2¹³ = 74482571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74490769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (9646650).

Almost surely, 2^74490763 is an apocalyptic number.

74490763 is a deficient number, since it is larger than the sum of its proper divisors (2682437).

74490763 is a wasteful number, since it uses less digits than its factorization.

74490763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74490763 is about 8630.8031491861. The cubic root of 74490763 is about 420.7597039916.

The spelling of 74490763 in words is "seventy-four million, four hundred ninety thousand, seven hundred sixty-three".