63120370 has 16 divisors (see below), whose sum is σ = 114680448. Its totient is φ = 25011760.

The previous prime is 63120367. The next prime is 63120377. The reversal of 63120370 is 7302136.

It is a super-2 number, since 2×63120370² = 7968362217873800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63120377) 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, 28426 + ... + 30565.

It is an arithmetic number, because the mean of its divisors is an integer number (7167528).

Almost surely, 2^63120370 is an apocalyptic number.

63120370 is a deficient number, since it is larger than the sum of its proper divisors (51560078).

63120370 is a wasteful number, since it uses less digits than its factorization.

63120370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59105.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 63120370 is about 7944.8329120253. The cubic root of 63120370 is about 398.1589770864.

The spelling of 63120370 in words is "sixty-three million, one hundred twenty thousand, three hundred seventy".