1072420446 has 8 divisors (see below), whose sum is σ = 2144840904. Its totient is φ = 357473480.

The previous prime is 1072420429. The next prime is 1072420451. The reversal of 1072420446 is 6440242701.

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

1072420446 is an admirable number.

It is a super-3 number, since 3×1072420446³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89368365 + ... + 89368376.

It is an arithmetic number, because the mean of its divisors is an integer number (268105113).

Almost surely, 2^1072420446 is an apocalyptic number.

1072420446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1072420446 is a wasteful number, since it uses less digits than its factorization.

1072420446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178736746.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1072420446 is about 32747.8311648268. The cubic root of 1072420446 is about 1023.5797728179.

The spelling of 1072420446 in words is "one billion, seventy-two million, four hundred twenty thousand, four hundred forty-six".