1302470772 has 24 divisors (see below), whose sum is σ = 3171233856. Its totient is φ = 415280448.

The previous prime is 1302470761. The next prime is 1302470779. The reversal of 1302470772 is 2770742031.

It is a super-2 number, since 2×1302470772² = 3392860223828551968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302470779) 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, 2359273 + ... + 2359824.

It is an arithmetic number, because the mean of its divisors is an integer number (132134744).

Almost surely, 2^1302470772 is an apocalyptic number.

1302470772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302470772 is an abundant number, since it is smaller than the sum of its proper divisors (1868763084).

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

1302470772 is a wasteful number, since it uses less digits than its factorization.

1302470772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719127 (or 4719125 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 1302470772 is about 36089.7599327011. The cubic root of 1302470772 is about 1092.0838770120.

The spelling of 1302470772 in words is "one billion, three hundred two million, four hundred seventy thousand, seven hundred seventy-two".