377073643 has 2 divisors, whose sum is σ = 377073644. Its totient is φ = 377073642.

The previous prime is 377073637. The next prime is 377073647. The reversal of 377073643 is 346370773.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377073643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 377073596 and 377073605.

It is not a weakly prime, because it can be changed into another prime (377073647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188536821 + 188536822.

It is an arithmetic number, because the mean of its divisors is an integer number (188536822).

Almost surely, 2^377073643 is an apocalyptic number.

377073643 is a deficient number, since it is larger than the sum of its proper divisors (1).

377073643 is an equidigital number, since it uses as much as digits as its factorization.

377073643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 40.

The square root of 377073643 is about 19418.3841500780. The cubic root of 377073643 is about 722.4515473787.

The spelling of 377073643 in words is "three hundred seventy-seven million, seventy-three thousand, six hundred forty-three".