40719722 has 4 divisors (see below), whose sum is σ = 61079586. Its totient is φ = 20359860.

The previous prime is 40719713. The next prime is 40719733. The reversal of 40719722 is 22791704.

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., 35295481 + 5424241 = 5941^2 + 2329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10179929 + ... + 10179932.

Almost surely, 2^40719722 is an apocalyptic number.

40719722 is a deficient number, since it is larger than the sum of its proper divisors (20359864).

40719722 is a wasteful number, since it uses less digits than its factorization.

40719722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359863.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 40719722 is about 6381.2006707202. The cubic root of 40719722 is about 344.0341873811.

The spelling of 40719722 in words is "forty million, seven hundred nineteen thousand, seven hundred twenty-two".