1072344540 has 48 divisors (see below), whose sum is σ = 3021715872. Its totient is φ = 284134656.

The previous prime is 1072344509. The next prime is 1072344583. The reversal of 1072344540 is 454432701.

It is a super-2 number, since 2×1072344540² = 2299845624935623200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1072344498 and 1072344507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47499 + ... + 66338.

It is an arithmetic number, because the mean of its divisors is an integer number (62952414).

Almost surely, 2^1072344540 is an apocalyptic number.

1072344540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072344540 is an abundant number, since it is smaller than the sum of its proper divisors (1949371332).

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

1072344540 is a wasteful number, since it uses less digits than its factorization.

1072344540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114006 (or 114004 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1072344540 is about 32746.6721973394. The cubic root of 1072344540 is about 1023.5556225636. Note that the first 3 decimals are identical.

The spelling of 1072344540 in words is "one billion, seventy-two million, three hundred forty-four thousand, five hundred forty".