42032497 has 24 divisors (see below), whose sum is σ = 48066048. Its totient is φ = 36691200.

The previous prime is 42032479. The next prime is 42032519. The reversal of 42032497 is 79423024.

It is not a de Polignac number, because 42032497 - 2⁷ = 42032369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42032437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371913 + ... + 372025.

It is an arithmetic number, because the mean of its divisors is an integer number (2002752).

Almost surely, 2^42032497 is an apocalyptic number.

It is an amenable number.

42032497 is a deficient number, since it is larger than the sum of its proper divisors (6033551).

42032497 is a wasteful number, since it uses less digits than its factorization.

42032497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 42032497 is about 6483.2474115986. The cubic root of 42032497 is about 347.6922925176.

The spelling of 42032497 in words is "forty-two million, thirty-two thousand, four hundred ninety-seven".