742408552 has 32 divisors (see below), whose sum is σ = 1453110120. Its totient is φ = 355242240.

The previous prime is 742408549. The next prime is 742408621. The reversal of 742408552 is 255804247.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 645464836 + 96943716 = 25406^2 + 9846^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503 + ... + 38614.

Almost surely, 2^742408552 is an apocalyptic number.

It is an amenable number.

742408552 is a deficient number, since it is larger than the sum of its proper divisors (710701568).

742408552 is a wasteful number, since it uses less digits than its factorization.

742408552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41221 (or 41217 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 742408552 is about 27247.1751196340. The cubic root of 742408552 is about 905.4844336217.

The spelling of 742408552 in words is "seven hundred forty-two million, four hundred eight thousand, five hundred fifty-two".