742760220 has 24 divisors (see below), whose sum is σ = 2079728784. Its totient is φ = 198069376.

The previous prime is 742760203. The next prime is 742760251. The reversal of 742760220 is 22067247.

742760220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189609 + ... + 6189728.

It is an arithmetic number, because the mean of its divisors is an integer number (86655366).

Almost surely, 2^742760220 is an apocalyptic number.

It is an amenable number.

742760220 is an abundant number, since it is smaller than the sum of its proper divisors (1336968564).

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

742760220 is a wasteful number, since it uses less digits than its factorization.

742760220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379349 (or 12379347 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 742760220 is about 27253.6276484434. The cubic root of 742760220 is about 905.6273826012.

The spelling of 742760220 in words is "seven hundred forty-two million, seven hundred sixty thousand, two hundred twenty".