41772978 has 48 divisors (see below), whose sum is σ = 103213656. Its totient is φ = 12096000.

The previous prime is 41772977. The next prime is 41772979. The reversal of 41772978 is 87927714.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (41772977) and next prime (41772979).

It can be written as a sum of positive squares in 4 ways, for example, as 30503529 + 11269449 = 5523^2 + 3357^2 .

It is not an unprimeable number, because it can be changed into a prime (41772977) 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, 1273 + ... + 9228.

Almost surely, 2^41772978 is an apocalyptic number.

41772978 is an abundant number, since it is smaller than the sum of its proper divisors (61440678).

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

41772978 is a wasteful number, since it uses less digits than its factorization.

41772978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539 (or 10536 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 41772978 is about 6463.2018380985. The cubic root of 41772978 is about 346.9752354104.

The spelling of 41772978 in words is "forty-one million, seven hundred seventy-two thousand, nine hundred seventy-eight".