675420742 has 4 divisors (see below), whose sum is σ = 1013131116. Its totient is φ = 337710370.

The previous prime is 675420661. The next prime is 675420763. The reversal of 675420742 is 247024576.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168855184 + ... + 168855187.

It is an arithmetic number, because the mean of its divisors is an integer number (253282779).

Almost surely, 2^675420742 is an apocalyptic number.

675420742 is a deficient number, since it is larger than the sum of its proper divisors (337710374).

675420742 is a wasteful number, since it uses less digits than its factorization.

675420742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337710373.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 675420742 is about 25988.8580357045. The cubic root of 675420742 is about 877.3875439149.

The spelling of 675420742 in words is "six hundred seventy-five million, four hundred twenty thousand, seven hundred forty-two".