742908404 has 18 divisors (see below), whose sum is σ = 1512349650. Its totient is φ = 318389232.

The previous prime is 742908401. The next prime is 742908427. The reversal of 742908404 is 404809247.

It can be written as a sum of positive squares in only one way, i.e., 586608400 + 156300004 = 24220^2 + 12502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742908401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894979 + ... + 1895370.

It is an arithmetic number, because the mean of its divisors is an integer number (84019425).

Almost surely, 2^742908404 is an apocalyptic number.

It is an amenable number.

742908404 is an abundant number, since it is smaller than the sum of its proper divisors (769441246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742908404 is a wasteful number, since it uses less digits than its factorization.

742908404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790367 (or 3790358 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 742908404 is about 27256.3461234260. The cubic root of 742908404 is about 905.6876041734.

The spelling of 742908404 in words is "seven hundred forty-two million, nine hundred eight thousand, four hundred four".