1063673390 has 64 divisors (see below), whose sum is σ = 2177280000. Its totient is φ = 370894464.

The previous prime is 1063673389. The next prime is 1063673393. The reversal of 1063673390 is 933763601.

It is a happy number.

It is a super-2 number, since 2×1063673390² = 2262802161188184200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063673393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232099 + ... + 1232961.

It is an arithmetic number, because the mean of its divisors is an integer number (34020000).

Almost surely, 2^1063673390 is an apocalyptic number.

1063673390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1063673390 is an abundant number, since it is smaller than the sum of its proper divisors (1113606610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1063673390 is a wasteful number, since it uses less digits than its factorization.

1063673390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 1063673390 is about 32614.0060403502. The cubic root of 1063673390 is about 1020.7892744037.

The spelling of 1063673390 in words is "one billion, sixty-three million, six hundred seventy-three thousand, three hundred ninety".