40437674 has 4 divisors (see below), whose sum is σ = 60656514. Its totient is φ = 20218836.

The previous prime is 40437667. The next prime is 40437731. The reversal of 40437674 is 47673404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21576025 + 18861649 = 4645^2 + 4343^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10109417 + ... + 10109420.

Almost surely, 2^40437674 is an apocalyptic number.

40437674 is a deficient number, since it is larger than the sum of its proper divisors (20218840).

40437674 is a wasteful number, since it uses less digits than its factorization.

40437674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20218839.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 40437674 is about 6359.0623522655. The cubic root of 40437674 is about 343.2380206935.

The spelling of 40437674 in words is "forty million, four hundred thirty-seven thousand, six hundred seventy-four".