3742420155 has 8 divisors (see below), whose sum is σ = 5987872272. Its totient is φ = 1995957408.

The previous prime is 3742420141. The next prime is 3742420237. The reversal of 3742420155 is 5510242473.

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

It is not a de Polignac number, because 3742420155 - 2⁷ = 3742420027 is a prime.

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, 124747324 + ... + 124747353.

It is an arithmetic number, because the mean of its divisors is an integer number (748484034).

Almost surely, 2^3742420155 is an apocalyptic number.

3742420155 is a deficient number, since it is larger than the sum of its proper divisors (2245452117).

3742420155 is a wasteful number, since it uses less digits than its factorization.

3742420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249494685.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 3742420155 is about 61175.3230886442. The cubic root of 3742420155 is about 1552.5687762064.

The spelling of 3742420155 in words is "three billion, seven hundred forty-two million, four hundred twenty thousand, one hundred fifty-five".