742388045 has 64 divisors (see below), whose sum is σ = 1148152320. Its totient is φ = 448561152.

The previous prime is 742387993. The next prime is 742388051. The reversal of 742388045 is 540883247.

It is a cyclic number.

It is not a de Polignac number, because 742388045 - 2¹⁶ = 742322509 is a prime.

It is a super-2 number, since 2×742388045² = 1102280018717844050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742387993 and 742388011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1096247 + ... + 1096923.

It is an arithmetic number, because the mean of its divisors is an integer number (17939880).

Almost surely, 2^742388045 is an apocalyptic number.

It is an amenable number.

742388045 is a deficient number, since it is larger than the sum of its proper divisors (405764275).

742388045 is a wasteful number, since it uses less digits than its factorization.

742388045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 742388045 is about 27246.7988027952. The cubic root of 742388045 is about 905.4760963703.

The spelling of 742388045 in words is "seven hundred forty-two million, three hundred eighty-eight thousand, forty-five".