74949407 has 8 divisors (see below), whose sum is σ = 80783136. Its totient is φ = 69125472.

The previous prime is 74949403. The next prime is 74949409. The reversal of 74949407 is 70494947.

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

It is not a de Polignac number, because 74949407 - 2² = 74949403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74949403) 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, 24518 + ... + 27404.

It is an arithmetic number, because the mean of its divisors is an integer number (10097892).

Almost surely, 2^74949407 is an apocalyptic number.

74949407 is a deficient number, since it is larger than the sum of its proper divisors (5833729).

74949407 is a wasteful number, since it uses less digits than its factorization.

74949407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 74949407 is about 8657.3325568561. The cubic root of 74949407 is about 421.6214851231.

It can be divided in two parts, 7494940 and 7, that added together give a palindrome (7494947).

The spelling of 74949407 in words is "seventy-four million, nine hundred forty-nine thousand, four hundred seven".