3720464 has 20 divisors (see below), whose sum is σ = 7864080. Its totient is φ = 1691040.

The previous prime is 3720427. The next prime is 3720469. The reversal of 3720464 is 4640273.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3¹¹ + 7⁶ + 2²¹ + 0 + 4 + 6⁷ + 4¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (3720469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10394 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (393204).

Almost surely, 2^3720464 is an apocalyptic number.

It is an amenable number.

3720464 is an abundant number, since it is smaller than the sum of its proper divisors (4143616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3720464 is a wasteful number, since it uses less digits than its factorization.

3720464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21158 (or 21152 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3720464 is about 1928.8504348445. The cubic root of 3720464 is about 154.9526598404.

The spelling of 3720464 in words is "three million, seven hundred twenty thousand, four hundred sixty-four".