40722077 has 4 divisors (see below), whose sum is σ = 44424096. Its totient is φ = 37020060.

The previous prime is 40722053. The next prime is 40722083. The reversal of 40722077 is 77022704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40722077 - 2¹⁶ = 40656541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40722277) 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, 1850993 + ... + 1851014.

It is an arithmetic number, because the mean of its divisors is an integer number (11106024).

Almost surely, 2^40722077 is an apocalyptic number.

It is an amenable number.

40722077 is a deficient number, since it is larger than the sum of its proper divisors (3702019).

40722077 is a wasteful number, since it uses less digits than its factorization.

40722077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702018.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 40722077 is about 6381.3851944543. The cubic root of 40722077 is about 344.0408195882.

The spelling of 40722077 in words is "forty million, seven hundred twenty-two thousand, seventy-seven".