3721454065 has 16 divisors (see below), whose sum is σ = 5105243520. Its totient is φ = 2551086720.

The previous prime is 3721454059. The next prime is 3721454069. The reversal of 3721454065 is 5604541273.

It is not a de Polignac number, because 3721454065 - 2¹¹ = 3721452017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3721454069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117810 + ... + 146020.

It is an arithmetic number, because the mean of its divisors is an integer number (319077720).

Almost surely, 2^3721454065 is an apocalyptic number.

3721454065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3721454065 is a deficient number, since it is larger than the sum of its proper divisors (1383789455).

3721454065 is a wasteful number, since it uses less digits than its factorization.

3721454065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31992.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 3721454065 is about 61003.7217307272. The cubic root of 3721454065 is about 1549.6640360991.

The spelling of 3721454065 in words is "three billion, seven hundred twenty-one million, four hundred fifty-four thousand, sixty-five".