742095221 has 8 divisors (see below), whose sum is σ = 848313600. Its totient is φ = 635928048.

The previous prime is 742095191. The next prime is 742095251. The reversal of 742095221 is 122590247.

It is an interprime number because it is at equal distance from previous prime (742095191) and next prime (742095251).

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

It is not a de Polignac number, because 742095221 - 2¹⁸ = 741833077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742095251) 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, 26180 + ... + 46578.

It is an arithmetic number, because the mean of its divisors is an integer number (106039200).

Almost surely, 2^742095221 is an apocalyptic number.

It is an amenable number.

742095221 is a deficient number, since it is larger than the sum of its proper divisors (106218379).

742095221 is a wasteful number, since it uses less digits than its factorization.

742095221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25603.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 742095221 is about 27241.4247241219. The cubic root of 742095221 is about 905.3570301566.

The spelling of 742095221 in words is "seven hundred forty-two million, ninety-five thousand, two hundred twenty-one".