42745092 has 24 divisors (see below), whose sum is σ = 107411136. Its totient is φ = 13152288.

The previous prime is 42745091. The next prime is 42745093. The reversal of 42745092 is 29054724.

It is an interprime number because it is at equal distance from previous prime (42745091) and next prime (42745093).

It is not an unprimeable number, because it can be changed into a prime (42745091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136848 + ... + 137159.

It is an arithmetic number, because the mean of its divisors is an integer number (4475464).

Almost surely, 2^42745092 is an apocalyptic number.

It is an amenable number.

42745092 is an abundant number, since it is smaller than the sum of its proper divisors (64666044).

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

42745092 is a wasteful number, since it uses less digits than its factorization.

42745092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274027 (or 274025 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42745092 is about 6537.9730803973. The cubic root of 42745092 is about 349.6461512242.

The spelling of 42745092 in words is "forty-two million, seven hundred forty-five thousand, ninety-two".