373542649 has 8 divisors (see below), whose sum is σ = 409154760. Its totient is φ = 339446016.

The previous prime is 373542643. The next prime is 373542661. The reversal of 373542649 is 946245373.

It can be written as a sum of positive squares in 4 ways, for example, as 9954025 + 363588624 = 3155^2 + 19068^2 .

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 373542649 - 2¹³ = 373534457 is a prime.

It is a super-2 number, since 2×373542649² = 279068221243874402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373542643) 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 7 ways as a sum of consecutive naturals, for example, 378354 + ... + 379339.

It is an arithmetic number, because the mean of its divisors is an integer number (51144345).

Almost surely, 2^373542649 is an apocalyptic number.

It is an amenable number.

373542649 is a deficient number, since it is larger than the sum of its proper divisors (35612111).

373542649 is a wasteful number, since it uses less digits than its factorization.

373542649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757739.

The product of its digits is 544320, while the sum is 43.

The square root of 373542649 is about 19327.2514600499. The cubic root of 373542649 is about 720.1894106868.

The spelling of 373542649 in words is "three hundred seventy-three million, five hundred forty-two thousand, six hundred forty-nine".