620773451 has 8 divisors (see below), whose sum is σ = 624053808. Its totient is φ = 617500000.

The previous prime is 620773409. The next prime is 620773463. The reversal of 620773451 is 154377026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620773451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620173451) 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, 325601 + ... + 327501.

It is an arithmetic number, because the mean of its divisors is an integer number (78006726).

Almost surely, 2^620773451 is an apocalyptic number.

620773451 is a deficient number, since it is larger than the sum of its proper divisors (3280357).

620773451 is a wasteful number, since it uses less digits than its factorization.

620773451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 620773451 is about 24915.3256250044. The cubic root of 620773451 is about 853.0563333141.

The spelling of 620773451 in words is "six hundred twenty million, seven hundred seventy-three thousand, four hundred fifty-one".