40619974 has 8 divisors (see below), whose sum is σ = 61764840. Its totient is φ = 20031696.

The previous prime is 40619963. The next prime is 40619977. The reversal of 40619974 is 47991604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40619977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138964 + ... + 139255.

It is an arithmetic number, because the mean of its divisors is an integer number (7720605).

Almost surely, 2^40619974 is an apocalyptic number.

40619974 is a deficient number, since it is larger than the sum of its proper divisors (21144866).

40619974 is a wasteful number, since it uses less digits than its factorization.

40619974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278294.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 40619974 is about 6373.3801079176. The cubic root of 40619974 is about 343.7530395764.

The spelling of 40619974 in words is "forty million, six hundred nineteen thousand, nine hundred seventy-four".