74221702 has 4 divisors (see below), whose sum is σ = 111332556. Its totient is φ = 37110850.

The previous prime is 74221699. The next prime is 74221703. The reversal of 74221702 is 20712247.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×74221702² = 11017722095553608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74221703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18555424 + ... + 18555427.

It is an arithmetic number, because the mean of its divisors is an integer number (27833139).

Almost surely, 2^74221702 is an apocalyptic number.

74221702 is a deficient number, since it is larger than the sum of its proper divisors (37110854).

74221702 is a wasteful number, since it uses less digits than its factorization.

74221702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37110853.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 74221702 is about 8615.2017968240. The cubic root of 74221702 is about 420.2524974540.

Adding to 74221702 its reverse (20712247), we get a palindrome (94933949).

The spelling of 74221702 in words is "seventy-four million, two hundred twenty-one thousand, seven hundred two".