406942072 has 8 divisors (see below), whose sum is σ = 763016400. Its totient is φ = 203471032.

The previous prime is 406942069. The next prime is 406942103. The reversal of 406942072 is 270249604.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25433872 + ... + 25433887.

It is an arithmetic number, because the mean of its divisors is an integer number (95377050).

Almost surely, 2^406942072 is an apocalyptic number.

It is an amenable number.

406942072 is a deficient number, since it is larger than the sum of its proper divisors (356074328).

406942072 is a wasteful number, since it uses less digits than its factorization.

406942072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50867765 (or 50867761 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 406942072 is about 20172.8052585653. The cubic root of 406942072 is about 741.0443447800.

The spelling of 406942072 in words is "four hundred six million, nine hundred forty-two thousand, seventy-two".