3721551146 has 8 divisors (see below), whose sum is σ = 5588797824. Its totient is φ = 1858618540.

The previous prime is 3721551137. The next prime is 3721551157. The reversal of 3721551146 is 6411551273.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076360 + ... + 1079811.

It is an arithmetic number, because the mean of its divisors is an integer number (698599728).

Almost surely, 2^3721551146 is an apocalyptic number.

3721551146 is a deficient number, since it is larger than the sum of its proper divisors (1867246678).

3721551146 is a wasteful number, since it uses less digits than its factorization.

3721551146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157036.

The product of its digits is 25200, while the sum is 35.

The square root of 3721551146 is about 61004.5174228925. The cubic root of 3721551146 is about 1549.6775112644.

The spelling of 3721551146 in words is "three billion, seven hundred twenty-one million, five hundred fifty-one thousand, one hundred forty-six".