406722074 has 32 divisors (see below), whose sum is σ = 675717120. Its totient is φ = 182070000.

The previous prime is 406722061. The next prime is 406722083. The reversal of 406722074 is 470227604.

It is a super-2 number, since 2×406722074² = 330845690957722952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406722074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541199 + ... + 541949.

It is an arithmetic number, because the mean of its divisors is an integer number (21116160).

Almost surely, 2^406722074 is an apocalyptic number.

406722074 is a deficient number, since it is larger than the sum of its proper divisors (268995046).

406722074 is a wasteful number, since it uses less digits than its factorization.

406722074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 406722074 is about 20167.3516853354. The cubic root of 406722074 is about 740.9107814122.

Adding to 406722074 its reverse (470227604), we get a palindrome (876949678).

The spelling of 406722074 in words is "four hundred six million, seven hundred twenty-two thousand, seventy-four".