44742270 has 32 divisors (see below), whose sum is σ = 107557920. Its totient is φ = 11911680.

The previous prime is 44742251. The next prime is 44742277. The reversal of 44742270 is 7224744.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44742277) 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, 33210 + ... + 34530.

It is an arithmetic number, because the mean of its divisors is an integer number (3361185).

Almost surely, 2^44742270 is an apocalyptic number.

44742270 is an abundant number, since it is smaller than the sum of its proper divisors (62815650).

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

44742270 is a wasteful number, since it uses less digits than its factorization.

44742270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 44742270 is about 6688.9662878505. The cubic root of 44742270 is about 355.0089794727.

The spelling of 44742270 in words is "forty-four million, seven hundred forty-two thousand, two hundred seventy".