74701549 has 12 divisors (see below), whose sum is σ = 82870452. Its totient is φ = 67267200.

The previous prime is 74701547. The next prime is 74701589. The reversal of 74701549 is 94510747.

It can be written as a sum of positive squares in 6 ways, for example, as 37124649 + 37576900 = 6093^2 + 6130^2 .

It is not a de Polignac number, because 74701549 - 2¹ = 74701547 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 (74701547) 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 11 ways as a sum of consecutive naturals, for example, 1539 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (6905871).

Almost surely, 2^74701549 is an apocalyptic number.

It is an amenable number.

74701549 is a deficient number, since it is larger than the sum of its proper divisors (8168903).

74701549 is a wasteful number, since it uses less digits than its factorization.

74701549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10848 (or 10835 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 74701549 is about 8643.0057850264. The cubic root of 74701549 is about 421.1562038494.

The spelling of 74701549 in words is "seventy-four million, seven hundred one thousand, five hundred forty-nine".