742601091 has 8 divisors (see below), whose sum is σ = 991152144. Its totient is φ = 494558720.

The previous prime is 742601087. The next prime is 742601107. The reversal of 742601091 is 190106247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742601091 - 2² = 742601087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742601291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123750 + ... + 129611.

It is an arithmetic number, because the mean of its divisors is an integer number (123894018).

Almost surely, 2^742601091 is an apocalyptic number.

742601091 is a deficient number, since it is larger than the sum of its proper divisors (248551053).

742601091 is a wasteful number, since it uses less digits than its factorization.

742601091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254341.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 742601091 is about 27250.7080825435. The cubic root of 742601091 is about 905.5627040914.

The spelling of 742601091 in words is "seven hundred forty-two million, six hundred one thousand, ninety-one".