42077394 has 24 divisors (see below), whose sum is σ = 94545360. Its totient is φ = 14025636.

The previous prime is 42077393. The next prime is 42077411. The reversal of 42077394 is 49377024.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42077393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42804 + ... + 43775.

It is an arithmetic number, because the mean of its divisors is an integer number (3939390).

Almost surely, 2^42077394 is an apocalyptic number.

42077394 is an abundant number, since it is smaller than the sum of its proper divisors (52467966).

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

42077394 is an equidigital number, since it uses as much as digits as its factorization.

42077394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86596 (or 86584 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 42077394 is about 6486.7090269257. The cubic root of 42077394 is about 347.8160442748.

The spelling of 42077394 in words is "forty-two million, seventy-seven thousand, three hundred ninety-four".