42074780 has 24 divisors (see below), whose sum is σ = 96390000. Its totient is φ = 15299840.

The previous prime is 42074777. The next prime is 42074789. The reversal of 42074780 is 8747024.

It is a super-2 number, since 2×42074780² = 3540574224096800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42074789) 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, 95405 + ... + 95844.

It is an arithmetic number, because the mean of its divisors is an integer number (4016250).

Almost surely, 2^42074780 is an apocalyptic number.

It is an amenable number.

42074780 is an abundant number, since it is smaller than the sum of its proper divisors (54315220).

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

42074780 is a wasteful number, since it uses less digits than its factorization.

42074780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191269 (or 191267 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 42074780 is about 6486.5075348758. The cubic root of 42074780 is about 347.8088415952.

The spelling of 42074780 in words is "forty-two million, seventy-four thousand, seven hundred eighty".