40897706 has 4 divisors (see below), whose sum is σ = 61346562. Its totient is φ = 20448852.

The previous prime is 40897673. The next prime is 40897729. The reversal of 40897706 is 60779804.

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., 40896025 + 1681 = 6395^2 + 41^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10224425 + ... + 10224428.

Almost surely, 2^40897706 is an apocalyptic number.

40897706 is a deficient number, since it is larger than the sum of its proper divisors (20448856).

40897706 is a wasteful number, since it uses less digits than its factorization.

40897706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448855.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40897706 is about 6395.1314294548. The cubic root of 40897706 is about 344.5347112788.

The spelling of 40897706 in words is "forty million, eight hundred ninety-seven thousand, seven hundred six".