42770654 has 4 divisors (see below), whose sum is σ = 64155984. Its totient is φ = 21385326.

The previous prime is 42770633. The next prime is 42770671. The reversal of 42770654 is 45607724.

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, 10692662 + ... + 10692665.

It is an arithmetic number, because the mean of its divisors is an integer number (16038996).

Almost surely, 2^42770654 is an apocalyptic number.

42770654 is a deficient number, since it is larger than the sum of its proper divisors (21385330).

42770654 is a wasteful number, since it uses less digits than its factorization.

42770654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385329.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42770654 is about 6539.9276754411. The cubic root of 42770654 is about 349.7158346544.

The spelling of 42770654 in words is "forty-two million, seven hundred seventy thousand, six hundred fifty-four".